Table 3 Mean levels and univariate regression coefficients of participant characteristics at exam I by hand‐grip strength (kg) at exam I.
| Levels of hand‐grip strength in kg at exam I | Coeff/SE | p for trend* | ||||
|---|---|---|---|---|---|---|
| 11–36 (n = 1054) | 37–39 (n = 713) | 40–44 (n = 1050) | ⩾45 (n = 702) | |||
| Age (years) | 54.7 (5.3) | 52.6 (4.5) | 51.8 (4.1) | 50.7 (3.5) | −0.437/0.020 | <0.001 |
| Physical activity | 33.1 (4.3) | 32.8 (4.8) | 32.8 (4.8) | 32.7 (4.8) | −0.004/0.002 | 0.062 |
| Coffee consumption (4 oz cups) | 3.2 (3.1) | 3.4 (3.4) | 3.4 (3.1) | 3.7 (3.5) | 0.1515/0.031 | <0.001 |
| Glucose (mg/dl) | 149.7 (46.2) | 153.1 (48.7) | 151.9 (47.8) | 150.1 (48.9) | −0.002/0.002 | 0.464 |
| BMI (kg/m2) | 23.1 (3.0) | 23.8 (2.8) | 24.0 (2.7) | 24.9 (2.7) | 0.531/0.034 | <0.001 |
| Alcohol intake (g/month) | 344.4 (623.8) | 319.1 (567.3) | 336.6 (590.6) | 359.9 (625.4) | 0.0001/0.001 | 0.906 |
| Smoking (pack‐years) | 21.4 (24.1) | 22.1 (23.5) | 20.6 (21.7) | 21.9 (22.5) | 0.0021/0.004 | 0.634 |
* p for trend obtained from linear regression models (unadjusted).
n changes slightly for each variable.
Coeff, parameter estimate from linear regression models; SE, standard error (note: the regression coefficients were unadjusted).